Implant shell having internal, circumferential ribs



FIG. 1 is a perspective view of an implant shell having internal, circumferential ribs, showing our new design;

FIG. 2 is a side view of the implant shell having internal, circumferential ribs shown in FIG. 1;

FIG. 3 is a top plan view of the implant shell having internal, circumferential ribs shown in FIG. 1;

FIG. 4 is a bottom view of the implant shell having internal, circumferential ribs shown in FIG. 1; and,

FIG. 5 is a partial cross-sectional view of the implant shell having internal, circumferential ribs taken along line 5-5 of FIG. 3. 

CLAIM The ornamental design for an implant shell having internal, circumferential ribs, as shown and described. 